supported by the National Natural Science Foundation of China(U1162204,21236009,21376262)
Delayed coking is an important petroleum resid conversion process.The processability of coking liquids is known to be dependent on the heteroatom compounds present in the coking liquids.Eight commercial delayed coking...
supported by the National Natural Science Foundation of China(U1162204 and 21236009)
A vacuum topped Canadian oilsands bitumen (VTB) was subjected to solvent precipitation and subsequently characterized by elemental analysis, gel permeation chromatograph (GPC), IH-NMR spectroscopy and negative-ion...
supported by the National Basic Research Program of China(2010CB226901);the National Natural Science Foundation of China(U1162204 and 21236009)
This paper examined the bond dissociation behavior and aromatic ring architecture of basic nitrogen compounds in Sudan heavy petroleum fraction. Both broadband and quadrupole isolation modes positive-ion electrospray ...